ER289 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

ER289: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 0.313 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: TERMINAL SINGLE GROUP, transformer_function: LINE, body_outside_diameter: 0.344 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-781-4011, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

ER289

NSN: 5950-00-781-4011
FSC: 5950 — Coils and Transformers
CAGE: 15634 — MAGNETIKA INC (USA)

SPECIFICATIONS

body_length	0.313 INCHES NOMINAL IN
inclosure_type	HERMETICALLY SEALED
mounting_method	TERMINAL SINGLE GROUP
transformer_function	LINE
body_outside_diameter	0.344 INCHES NOMINAL IN
reliability_indicator	NOT ESTABLISHED
impedance_rating_in_ohms	500.0 MINIMUM AND 600.0 MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
terminal_type_and_quantity	5 WIRE LEAD
winding_function_and_quantity	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
maximum_transformer_power_rating	100.0 MILLIWATTS SINGLE COMPONENT
NSN	5950-00-781-4011

COMPONENT DIAGRAM

KEY FEATURES

•

TRANSFORMER FUNCTION: LINE

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

BODY OUTSIDE DIAMETER: 0.344 INCHES NOMINAL IN

•

MOUNTING METHOD: TERMINAL SINGLE GROUP

•

MAXIMUM TRANSFORMER POWER RATING: 100.0 MILLIWATTS SINGLE COMPONENT

•

WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT

•

IMPEDANCE RATING IN OHMS: 10000.0 MINIMUM AND 12000.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY

TECHNICAL CHARACTERISTICS

TRANSFORMER FUNCTION	LINE
INCLOSURE TYPE	HERMETICALLY SEALED
BODY OUTSIDE DIAMETER	0.344 INCHES NOMINAL IN
MOUNTING METHOD	TERMINAL SINGLE GROUP
MAXIMUM TRANSFORMER POWER RATING	100.0 MILLIWATTS SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
IMPEDANCE RATING IN OHMS	10000.0 MINIMUM AND 12000.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
IMPEDANCE RATING IN OHMS	500.0 MINIMUM AND 600.0 MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
BODY LENGTH	0.313 INCHES NOMINAL IN
RELIABILITY INDICATOR	NOT ESTABLISHED

OTHER ITEMS IN FSC 5950 — Coils and Transformers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5950-00-000-0146 5950-00-001-1372 5950-00-001-1386 5950-00-001-1410 5950-00-001-1411 5950-00-001-1412 5950-00-001-1413 5950-00-001-1414

SUBSTITUTES & CROSS-REFERENCES 1

1066400Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ER289?

ER289 is a TRANSFORMER,AUDIO FREQUENCY.

What parts can replace ER289?

There is 1 known substitute for ER289: 1066400. Substitute compatibility should be verified for your specific system.

What is the NSN for ER289?

ER289 is cataloged in the U.S. Government catalog under NSN 5950-00-781-4011. This indicates validated use in U.S. government and defense supply chains.

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ER289 — TRANSFORMER,AUDIO FREQUENCY

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